| Clayton to Isny im Allgau | 666.13 mi (1,072.04 km) |
| Clayton to Isselburg | 370.85 mi (596.83 km) |
| Clayton to Issum | 378.10 mi (608.49 km) |
| Clayton to Itzehoe | 461.36 mi (742.49 km) |
| Clayton to Jena | 597.78 mi (962.04 km) |
| Clayton to Jever | 397.51 mi (639.73 km) |
| Clayton to Jork | 470.46 mi (757.14 km) |
| Clayton to Juchen | 395.84 mi (637.04 km) |
| Clayton to Julich | 397.12 mi (639.10 km) |
| Clayton to Juterbog | 631.54 mi (1,016.37 km) |
| Clayton to Kaarst | 396.08 mi (637.43 km) |
| Clayton to Kaiserslautern | 508.06 mi (817.64 km) |
| Clayton to Kalkar | 366.88 mi (590.44 km) |
| Clayton to Kall | 418.52 mi (673.55 km) |
| Clayton to Kaltenkirchen | 479.79 mi (772.15 km) |
